The NAND-version has been become a bit orphan. Now we need to reactivate it, so bring necessary things:
- loading devicetree - switch control signal to correct pins - setup pinmux - default-environment
up to date.
Signed-off-by: Hannes Petermaier oe5hpm@oevsv.at ---
board/BuR/common/common.c | 15 +++++++++++---- board/BuR/tseries/board.c | 3 +++ board/BuR/tseries/mux.c | 2 +- include/configs/tseries.h | 37 ++++++++++++++++++++----------------- 4 files changed, 35 insertions(+), 22 deletions(-)
diff --git a/board/BuR/common/common.c b/board/BuR/common/common.c index 81ed8e5..87e4fd6 100644 --- a/board/BuR/common/common.c +++ b/board/BuR/common/common.c @@ -33,6 +33,7 @@ #endif #include "bur_common.h" #include "../../../drivers/video/am335x-fb.h" +#include <nand.h>
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
@@ -159,17 +160,22 @@ int load_lcdtiming(struct am335x_lcdpanel *panel) #ifdef CONFIG_USE_FDT static int load_devicetree(void) { - char *dtbname = getenv("dtb"); - char *dtbdev = getenv("dtbdev"); - char *dtppart = getenv("dtbpart"); - u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL); int rc; loff_t dtbsize; + u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL);
if (dtbaddr == 0) { printf("%s: don't have a valid <dtbaddr> in env!\n", __func__); return -1; } +#ifdef CONFIG_NAND + dtbsize = 0x20000; + rc = nand_read_skip_bad(&nand_info[0], 0x40000, (size_t *)&dtbsize, + NULL, 0x20000, (u_char *)dtbaddr); +#else + char *dtbname = getenv("dtb"); + char *dtbdev = getenv("dtbdev"); + char *dtppart = getenv("dtbpart"); if (!dtbdev || !dtbdev || !dtbname) { printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__); return -1; @@ -180,6 +186,7 @@ static int load_devicetree(void) return -1; } rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize); +#endif if (rc == 0) { gd->fdt_blob = (void *)dtbaddr; gd->fdt_size = dtbsize; diff --git a/board/BuR/tseries/board.c b/board/BuR/tseries/board.c index 89e989f..d1d698e 100644 --- a/board/BuR/tseries/board.c +++ b/board/BuR/tseries/board.c @@ -128,6 +128,9 @@ void am33xx_spl_board_init(void) i2c_set_bus_num(0); i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); pmicsetup(0); + + gpio_direction_output(64+29, 1); /* switch NAND_RnB to GPMC_WAIT1 */ + gpio_direction_output(64+28, 1); /* switch MII2_CRS to GPMC_WAIT0 */ }
const struct dpll_params *get_dpll_ddr_params(void) diff --git a/board/BuR/tseries/mux.c b/board/BuR/tseries/mux.c index ac7e885..caedf00 100644 --- a/board/BuR/tseries/mux.c +++ b/board/BuR/tseries/mux.c @@ -123,7 +123,7 @@ static struct module_pin_mux nand_pin_mux[] = { {OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD5 */ {OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD6 */ {OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD7 */ - {OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */ + {OFFSET(gpmc_clk), (MODE(2) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */ {OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)}, /* NAND_WPN */ {OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)}, /* NAND_CS0 */ {OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */ diff --git a/include/configs/tseries.h b/include/configs/tseries.h index a6c7d5f..1e41a12 100644 --- a/include/configs/tseries.h +++ b/include/configs/tseries.h @@ -23,6 +23,8 @@ #define CONFIG_HW_WATCHDOG #define CONFIG_OMAP_WATCHDOG #define CONFIG_SPL_WATCHDOG_SUPPORT + +#define CONFIG_SPL_GPIO_SUPPORT /* Bootcount using the RTC block */ #define CONFIG_SYS_BOOTCOUNT_ADDR 0x44E3E000 #define CONFIG_BOOTCOUNT_LIMIT @@ -103,15 +105,16 @@ "mtdparts=" MTDPARTS_DEFAULT "\0" \ "nandargs=setenv bootargs console=${console} " \ "${optargs} " \ - "root=${nandroot} " \ - "rootfstype=${nandrootfstype}\0" \ - "nandroot=ubi0:rootfs rw ubi.mtd=8,2048\0" \ - "nandrootfstype=ubifs rootwait=1\0" \ - "nandimgsize=0x500000\0" \ - "nandboot=echo Booting from nand ...; " \ + "root=mtd6 " \ + "rootfstype=jffs2\0" \ + "kernelsize=0x400000\0" \ + "nandboot=echo booting from nand ...; " \ "run nandargs; " \ - "nand read ${loadaddr} kernel ${nandimgsize}; " \ - "bootz ${loadaddr}\0" + "nand read ${loadaddr} kernel ${kernelsize}; " \ + "bootz ${loadaddr} - ${dtbaddr}\0" \ + "defboot=run nandboot\0" \ + "bootlimit=1\0" \ + "altbootcmd=run usbscript\0" #else #define NANDARGS "" #endif /* CONFIG_NAND */ @@ -231,15 +234,15 @@ MMCARGS
#define MTDIDS_DEFAULT "nand0=omap2-nand.0" #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ - "128k(SPL)," \ - "128k(SPL.backup1)," \ - "128k(SPL.backup2)," \ - "128k(SPL.backup3)," \ - "512k(u-boot)," \ - "128k(u-boot-spl-os)," \ + "128k(MLO)," \ + "128k(MLO.backup)," \ + "128k(dtb)," \ "128k(u-boot-env)," \ - "5m(kernel),"\ - "-(rootfs)" + "512k(u-boot)," \ + "4m(kernel),"\ + "128m(rootfs),"\ + "-(user)" +#define CONFIG_NAND_OMAP_GPMC_WSCFG 1 #endif /* CONFIG_NAND */
/* USB configuration */ @@ -298,7 +301,7 @@ MMCARGS #else #define CONFIG_ENV_IS_IN_NAND #endif -#define CONFIG_ENV_OFFSET 0x120000 /* TODO: Adresse definieren */ +#define CONFIG_ENV_OFFSET 0x60000 #define CONFIG_SYS_ENV_SECT_SIZE CONFIG_ENV_SIZE #else #error "no storage for Environment defined!"